KLIPSCH Reference R-121SW 12 Front-Firing Subwoofer User Manual
INSPECTION
We want your new speaker system to look as good as it did leaving the factory! Please check promptly for any transit damage. Carefully unpack your new speaker system and verify the components against the packing list. In extreme circumstances, items may have become damaged in transit. Make a request for inspection, and follow their instructions for evaluation. Be sure to keep the product’s original shipping carton.
POSITIONING YOUR REFERENCE SUBWOOFER
For optimum performance, place your subwoofer in a corner of the room on the same wall as your front channel speakers. (refer to Figure 1). Please note that room placement can have a dramatic effect on the performance of your powered subwoofer. Corner placement, as suggested above, will increase the amount of bass output, while placing the subwoofer along the middle of a wall, or out in the room will decrease the amount of bass output. Experiment with a number of different placement options and control settings to find the one that best suits your particular room and taste.
CONNECTIONS AND CONTROLS
“LINE IN” Connection
Most of today’s surround receivers (and pre-amplifiers) have a line level subwoofer output labeled Subwoofer Pre Out, Sub Out, SW Out, etc. If you have this output, connect one end of a subwoofer cable to it and connect the other end of the cable into the subwoofer line input labeled LEFT/LFE. In absence of a subwoofer output on your receiver, as an alternative hookup, you can connect Left and Right channel Pre-Amp Outputs from your receiver (if provided) to the Left/LFE and Right input on the subwoofer.
“LOW PASS” Control
Set the crossover point based on the size of the main left/ right speakers you are using in the system. As a general rule, for larger, floor standing speakers, set the crossover point between 50Hz-90 Hz. If using small bookshelf or “satellite” speakers for the mains, set the crossover point between 90 Hz-150 Hz. If your receiver does not have a crossover
Level
If your subwoofer is connected to a Subwoofer Output of a surround receiver, first set the subwoofer volume level control in the receiver to the “half way” or “0 dB” position.
Off/Auto/On
It will automatically go into “standby mode” after 15-20 minutes with no signal. For more information on the controls mentioned in this manual and on bass management, see your dealer or visit www.klipsch.com
CARE AND CLEANING
Your subwoofer has a durable vinyl finish that should only require dry dusting or cleaning with a dry cloth. Avoid the use of abrasive or solvent-based cleaners and harsh detergents. The brush attachment of your vacuum should remove any dust from your subwoofer enclosure.
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